26059945997 has 2 divisors, whose sum is σ = 26059945998. Its totient is φ = 26059945996.

The previous prime is 26059945913. The next prime is 26059946053. The reversal of 26059945997 is 79954995062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19877898121 + 6182047876 = 140989^2 + 78626^2 .

It is a cyclic number.

It is not a de Polignac number, because 26059945997 - 2¹⁰ = 26059944973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26059945397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13029972998 + 13029972999.

It is an arithmetic number, because the mean of its divisors is an integer number (13029972999).

Almost surely, 2^26059945997 is an apocalyptic number.

It is an amenable number.

26059945997 is a deficient number, since it is larger than the sum of its proper divisors (1).

26059945997 is an equidigital number, since it uses as much as digits as its factorization.

26059945997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55112400, while the sum is 65.

The spelling of 26059945997 in words is "twenty-six billion, fifty-nine million, nine hundred forty-five thousand, nine hundred ninety-seven".